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Finding the Fourth Proportional to 11,841.30, 16,339.04 and 6,804.45

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Solution

The fourth proportional to 11,841.30, 16,339.04 and 6,804.45 is: 9,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.30 : 16,339.04 = 6,804.45 : x
  2. Step 2: Convert to fraction form
    11,841.30/16,339.04 = 6,804.45/x
  3. Step 3: Cross multiply
    11,841.30x = 16,339.04 × 6,804.45
  4. Step 4: Simplify right side
    11,841.30x = 111,178,180.73
  5. Step 5: Solve for x
    x = 111,178,180.73/11,841.30
  6. Step 6: Final answer
    x = 9,389.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.